1939-1945 2014j-026 20thcentury adverseeffects airpollutants atrocities bioethics drugeffects ethicalreview ethics ethik forschung german germany healthaspects healthyvolunteers history holocaust holocaustsurvivors humanexperimentation humanexperimentationinmedicine inhalationexposure jewish(1939-1945) med039000his043000his037070 medicalethics medizin menschenversuch moralandethicalaspects nationalsocialism nationalsocialismandmedicine physicians pollutants prisonersandprisons pulmonarytoxicology researchsubjects respiratorysystem standards toxicity worldwar